Question Answer
what is a volcano? a volcano is a structure containing a magma chamber from which molten magma moves. the magma travels up through a vent and eventually out through a crater.
plates separate at constructive plate boundaries
a fissure is a fissure is a long crack in the earths surface through which magma erupts
what are the two types of lava acidic lava + basic lava
what is pyroclastic material broken down rock. this material varies from pea to walnut size fragments to hardened lava blocks. it may include ash, dust, rocks and rock bombs
volcanoes volcanic activity

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